1; RUN: opt < %s -sample-profile -sample-profile-file=%S/Inputs/inline.prof -S | FileCheck %s
2; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline.prof -S | FileCheck %s
3; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline-priority.prof -sample-profile-prioritized-inline=1 -S | FileCheck %s
4
5; Original C++ test case
6;
7; #include <stdio.h>
8;
9; int sum(int x, int y) {
10;   return x + y;
11; }
12;
13; int main() {
14;   int s, i = 0;
15;   while (i++ < 20000 * 20000)
16;     if (i != 100) s = sum(i, s); else s = 30;
17;   printf("sum is %d\n", s);
18;   return 0;
19; }
20;
21@.str = private unnamed_addr constant [11 x i8] c"sum is %d\0A\00", align 1
22
23; Function Attrs: nounwind uwtable
24define i32 @_Z3sumii(i32 %x, i32 %y) #0 !dbg !4 {
25entry:
26  %x.addr = alloca i32, align 4
27  %y.addr = alloca i32, align 4
28  store i32 %x, i32* %x.addr, align 4
29  store i32 %y, i32* %y.addr, align 4
30  %0 = load i32, i32* %x.addr, align 4, !dbg !11
31  %1 = load i32, i32* %y.addr, align 4, !dbg !11
32  %add = add nsw i32 %0, %1, !dbg !11
33  ret i32 %add, !dbg !11
34}
35
36; Function Attrs: uwtable
37define i32 @main() #0 !dbg !7 {
38entry:
39  %retval = alloca i32, align 4
40  %s = alloca i32, align 4
41  %i = alloca i32, align 4
42  store i32 0, i32* %retval
43  store i32 0, i32* %i, align 4, !dbg !12
44  br label %while.cond, !dbg !13
45
46while.cond:                                       ; preds = %if.end, %entry
47  %0 = load i32, i32* %i, align 4, !dbg !14
48  %inc = add nsw i32 %0, 1, !dbg !14
49  store i32 %inc, i32* %i, align 4, !dbg !14
50  %cmp = icmp slt i32 %0, 400000000, !dbg !14
51  br i1 %cmp, label %while.body, label %while.end, !dbg !14
52
53while.body:                                       ; preds = %while.cond
54  %1 = load i32, i32* %i, align 4, !dbg !16
55  %cmp1 = icmp ne i32 %1, 100, !dbg !16
56  br i1 %cmp1, label %if.then, label %if.else, !dbg !16
57
58
59if.then:                                          ; preds = %while.body
60  %2 = load i32, i32* %i, align 4, !dbg !18
61  %3 = load i32, i32* %s, align 4, !dbg !18
62  %call = call i32 @_Z3sumii(i32 %2, i32 %3), !dbg !18
63; CHECK-NOT: call i32 @_Z3sumii
64  store i32 %call, i32* %s, align 4, !dbg !18
65  br label %if.end, !dbg !18
66
67if.else:                                          ; preds = %while.body
68  store i32 30, i32* %s, align 4, !dbg !20
69  br label %if.end
70
71if.end:                                           ; preds = %if.else, %if.then
72  br label %while.cond, !dbg !22
73
74while.end:                                        ; preds = %while.cond
75  %4 = load i32, i32* %s, align 4, !dbg !24
76  %call2 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i32 0, i32 0), i32 %4), !dbg !24
77  ret i32 0, !dbg !25
78}
79
80declare i32 @printf(i8*, ...) #2
81
82attributes #0 = { "use-sample-profile" }
83
84!llvm.dbg.cu = !{!0}
85!llvm.module.flags = !{!8, !9}
86!llvm.ident = !{!10}
87
88!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5 ", isOptimized: false, emissionKind: NoDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
89!1 = !DIFile(filename: "calls.cc", directory: ".")
90!2 = !{}
91!4 = distinct !DISubprogram(name: "sum", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 3, file: !1, scope: !5, type: !6, retainedNodes: !2)
92!5 = !DIFile(filename: "calls.cc", directory: ".")
93!6 = !DISubroutineType(types: !2)
94!7 = distinct !DISubprogram(name: "main", line: 7, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 7, file: !1, scope: !5, type: !6, retainedNodes: !2)
95!8 = !{i32 2, !"Dwarf Version", i32 4}
96!9 = !{i32 1, !"Debug Info Version", i32 3}
97!10 = !{!"clang version 3.5 "}
98!11 = !DILocation(line: 4, scope: !4)
99!12 = !DILocation(line: 8, scope: !7)
100!13 = !DILocation(line: 9, scope: !7)
101!14 = !DILocation(line: 9, scope: !15)
102!15 = !DILexicalBlockFile(discriminator: 2, file: !1, scope: !7)
103!16 = !DILocation(line: 10, scope: !17)
104!17 = distinct !DILexicalBlock(line: 10, column: 0, file: !1, scope: !7)
105!18 = !DILocation(line: 10, scope: !19)
106!19 = !DILexicalBlockFile(discriminator: 2, file: !1, scope: !17)
107!20 = !DILocation(line: 10, scope: !21)
108!21 = !DILexicalBlockFile(discriminator: 4, file: !1, scope: !17)
109!22 = !DILocation(line: 10, scope: !23)
110!23 = !DILexicalBlockFile(discriminator: 6, file: !1, scope: !17)
111!24 = !DILocation(line: 11, scope: !7)
112!25 = !DILocation(line: 12, scope: !7)
113